JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

<description><![CDATA[<img align="left" hspace="5" src="https://preview.thenewsmarket.com/Previews/SIMS/VideoAssets/240x180/SIMS_44957_513571.JPEG"></img> • Siemens highlights digital infrastructure poised to improve air quality, build a low-carbon economy, and enhance efficiency of building, energy and transportation systems for U.S. cities • Siemens G]]></description>

JavaScript

try
{
    var xml,
        $xml1,
        data,
        $data,
        imgSrc;
    // Parse the XML using jQuery
    xml = $.parseXML('<description><![CDATA[<img width="250" height="83" src="https://preview.thenewsmarket.com/Previews/SIMS/VideoAssets/240x180/SIMS_44957_513571.JPEG"></img>" class="post-image" alt="Post 01 Image" title="The Demo Post" />My Content]]></description>')
    // Create a jQuery object from the parsed XML
    $xml1 = $(xml);
    // Select the data
    data = $xml1.find('description').text();
    // Create a jQuery object from the data
    $data = $(data);
    // Select the img src attribute
    imgSrc = $data.find('img').attr('src');
    
    $('div').append(imgSrc);
}
catch (e)
{
    window.alert(e);
}